Wiring diagram for hei distributor
Tony70Chevelle Discussion starter · #3 · Sep 14, 2019. pnugene said: HEI distributor has a tach connection next to the power wire. The cap should be marked 'tach'. Yes which is Green. I also have a Red (power). Black (ground) and white (light on the tech). I'm trying to figure out where to run the red power wire.
Chevrolet Master. 6,982 Answers. That distributor is an easy one. You need to connect the harness attached to the distributor housing to the cap. There is a marking on the cap that says "Batt" Connect that to the hot lead from the ignition switch that is on (with 12V present) and off with switch off. Likely the connector and wire are still in ...A single 12-volt wire is all that is required to function, and it can be easily stabbed into any distributor-fired Chevrolet engine. It’s a staple among hot rodders. GM’s HEI distributor was envisioned and ultimately built by the Delco-Remy Division of General Motors and found its way into production vehicles starting in 1974.TACH POWER FROM (GREEN) IGNITION (RED) 15050 SHOEMAKER AVE. SANTA FE SPRINGS, CA 90670 | TEL: 866 TSP 9988 | WWW.TOPSTREETPERFORMANCE.COM IF HOOKING UP TO 6AL BOX, SEE BELOW: NOTE: The GM Ignition Module and REMOVE MODULE INSTALL HARNESS CONDENSER GROMMETT GM-CABLE HARNESS JM6917 JM6934 WIRE CLAMPS Jul 4, 2021 · Interpreting a Wiring Diagram. An Hei Distributor Wiring Diagram Ford is essentially a map of how all of the wires in your engine connect together. This diagram shows the color of each wire, as well as its location and what it is connected to. When looking at a wiring diagram, the first step is to identify the components in the diagram. The wire from the distributor goes to the "-" termi-nal on the coil. There may be an additional capacitor on the coil - terminal. This is to eliminate radio interference. Notes on wiring for an "HEI" distributor with the coil in the cap; If you are converting from a points type distributor, you have to make sure that the "resistance" power The 7 Pin HEI Module. With a GM HEI 7-pin (and 8-pin modules), the ignition module wires you need to know about are: tach signal is a purple wire with a white trace [ pin R ] advance control signal is a white wire [ pin E ] override (cranking) signal is a tan wire with a black trace [ pin B ] ground is a black wire with a red trace [grounded to ...Oct 23, 2021 · The Chevy 350 Hei Distributor is a key component in the engine’s powertrain. It is responsible for regulating the spark timing of the engine. This distributor is used mainly in Chevrolet cars between 1968 and 1995. The first step in understanding the wiring diagram is to familiarize yourself with the components. Feb 14, 2016 · 39 master · #3 · Feb 14, 2016. Hei wiring. To wire an HEI just go from the ignition side of the key switch directly to the HEI. There are two terminals one marked IGN and the other TAC. Wires coming out of the HEI body plug into the cap also. The ignition wire should be at least a #14.
Run a 16ga wire from this one to any decent ground. 86 is your trigger feed. This one needs a 16ga wire that's live when (and only when) the ignition is switched on. 87 is your power output. Connect this via a 14ga wire to the coil + and to the module's power terminal.Messages. 62,321. Jun 19, 2013. #8. Re: Wiring shift interrupt with new distributor? Send it back, it's automotive, not marine. Not setup for a shift interrupt system, it's and it's a fire/explosion hazard. Not ignition protected like marine distributors are. Your best bet would be a marine EST distributor.Accel’s Hei Distributor Wiring Diagram is a comprehensive, easy-to-follow guide that will help you get your distributor correctly wired and ready for use. The Accel Hei Distributor Wiring Diagram provides clear instructions for connecting all the necessary components. It shows the order in which the wires should be placed and how they should ...cap. Make sure you use a high quality spark plug wire set with at least 8mm spark plug wires for use with the new HEI Distributor. The stock 7mm spark plug wires will not handle the Higher Voltage output of the HEI distributor! 14) Unplug and remove the old factory ignition module completely. It is not need with the HEI distributor.Testing the pickup. When checking for 12 volts, do so while you are cranking the engine. If the battery voltage drops below 10.5 volts while cranking, you probably have a bad battery. This low voltage could be insufficient to get the distributor to fire. Use a volt meter to test the hot wire while a buddy cranks the engine over.0:00 / 10:51 GM HEI electronic distributor how to wire and run install DIY Craft Customs 76.8K subscribers 680K views 7 years ago all my videos are in 1080p so check that out just an idea on...The first diagram shows a typical stock points system. The second diagram shows where the wires go when converting to HEI. Note that the new HEI power wire can be connected to the bulkhead connector as described in the above paragraph, or it can be routed to the "IGN" terminal found on most fuse panels. Wiring for Typical Points Ignition System ...
MSD IGNITION • www.msdignition.com • (915) 857-5200 • FAX (915) 857-3344 Figure 4 Wiring to a GM HEI Distributor, using the Module. Figure 5 Wiring to a GM HEI Distributor using the Magnetic Pickup. Note: The GM Unitized Coil, HEI Distributor was produced with several different modules.Using small 5/32”(.09375) or 7/64 (.109375) Allen wrench, (wrench not included) insert the wrench through the vacuum line port on the vacuum canister (see diagram below) and adjust to maximum clockwise rotation Leave the vacuum hose disconnected and plugged with a small bolt or other device to eliminate a vacuum leak. 2. 12 កុម្ភៈ 2013 ... Series <strong>Ignition</strong> prior <strong>to</strong> connecting the wiring harness.<br />. This <strong>Harness</strong> is designed ...Ignition Control to a GM HEI Distributor that uses a 5-pin or 7-pin module (Figure 1). Most of these distributors DO NOT have a vacuum advance. Note: On HEI distributors with a 4-pin module, this Harness cannot be used. 1. Disconnect the 12 volt key connector, the 3-wire connector coming out of the distributor and the Tach Connector (if ...
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Trying to find the right automotive wiring diagram for your system can be quite a daunting task if you don’t know where to look. Luckily, there are some places that may have just what you need. Here’s where to start.Tach Signal: The Pro-Billet HEI Distributor features a Gray Tach Output wire which provides a clean signal for most tachometers and even some aftermarket fuel injection systems. The signal output is a 12 volt square wave, 20° duty cycle. This wire is also responsible for programming the built-in rev limiter.16 មិថុនា 2015 ... Based on this wiring diagram, that would have to be my guess, too. ... The two unit control modules in the distributor both have the same wires ...Tach Signal: The Pro-Billet HEI Distributor features a Gray Tach Output wire which provides a clean signal for most tachometers and even some aftermarket fuel injection systems. The signal output is a 12 volt square wave, 20° duty cycle. This wire is also responsible for programming the built-in rev limiter. 1 - Tube of Gear LubricantNov 2, 2020 · Re: HEI Distributor Wiring. Simplest way to do this is pull wire that was on the original distributor out of the wrap down to the fuse block. Leave yourself enough wire to splice onto it. Then run new wire back to HEI. The original wire was a resistor wire but it wasn't the whole length of the wire. If you’re a car enthusiast or a DIY mechanic, you know how important it is to have access to reliable vehicle wiring diagrams. Knowing the wiring diagram of your vehicle can help you troubleshoot electrical problems and make repairs faster ...
Step 3 – Find the connector in the wiring from the distributor to the ignition switch, and unplug it. Step 4 – Loosen and remove the distributor hold-down bolt and clamp. Lift the old distributor out. If the engine had been running within the past few minutes, the distributor housing may be hot and coated with hot engine oil. Wrap a shopOct 29, 2012 · 2. Using the diagram above, wire up the main power and ground wires. Start with the power cable from the battery. Use a single 10 gauge strand. Attach an eyelet to one end (or however you'd like to connect to the battery) and a spade connector to the other to connect to the relay. Somewhere near the battery cut the wire and solder in the 30amp ... Run a 16ga wire from this one to any decent ground. 86 is your trigger feed. This one needs a 16ga wire that's live when (and only when) the ignition is switched on. 87 is your power output. Connect this via a 14ga wire to the coil + and to the module's power terminal.Apr 2, 2011 · Has anyone had experience hooking up an HEI distributor with a shift interrupter switch. Have been studying the Mercruiser manual and this is what I have come up with: On some of the wiring diagrams (regular distributor and coil) the negative terminal which serves as the tach signal is also routed to the shift interrupter, I'm assuming that when shifting forward/reverse the switch temporarily ... Doing the swap to HEI distributor slowly. I was wondering if I could do the wiring like I have in the diagram. Remove the 2 wires from the ...Oct 22, 2017 · When studying a spark plug wiring diagram for your Chevy 350 Hei engine, you need to understand the different components of the diagram. The most important components include: Ignition Coil: This is a type of transformer that converts low-voltage electrical current into high-voltage electrical current. Spark Plugs: These are the actual plugs ... SOURCE: need wireing diagram to change 72 nova over to hei distributor. Hey , just take the positive wire from the coil you are removing and feed it to the + terminal on the HEI dist. cap.the other terminal under there is for your tachometer. If you are mounting a master kill switch in the bumper for drag racing- attatch the kill wire to the ...Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system.The Components of the Hei Distributor Wiring Diagram Ford A Hei Distributor Wiring Diagram Ford is an electrical drawing that shows the connections and components of an ignition system. This diagram contains a variety of abbreviations and symbols to represent each component and connection. The common abbreviations and symbols are listed below:Testing the pickup. When checking for 12 volts, do so while you are cranking the engine. If the battery voltage drops below 10.5 volts while cranking, you probably have a bad battery. This low voltage could be insufficient to get the distributor to fire. Use a volt meter to test the hot wire while a buddy cranks the engine over.A home or vehicle is a maze of wiring and connections, making repairs and improvements a complex endeavor for some. Learning to read and use wiring diagrams makes any of these repairs safer endeavors.
not the hot wire, run a temporary jumper wire directly from the positive side of the battery to the distributor. If the distributor fires using the jumper wire, run a new hot wire from your switched 12 volt source to the distributor. 3) A bad ground can keep the distributor from firing as well. The distributor ground itself to the engine when in-
not the hot wire, run a temporary jumper wire directly from the positive side of the battery to the distributor. If the distributor fires using the jumper wire, run a new hot wire from your switched 12 volt source to the distributor. 3) A bad ground can keep the distributor from firing as well. The distributor ground itself to the engine when in- Distributor: HEI conversion. Time: 2 hours. Tools: standard wrench set, flat-blade and/or Phillips screwdriver, wire strippers/crimpers. Cost: varies by manufacturer- approximately $175-$400. Tinware: HEI distributor (new, rebuilt, or used), HEI ignition lead connector, HEI style plug wires. Tip: Label or mark the location of your spark plug ...Wiring the HEI to the distributor and coil is pretty straight forward. The HEI module has 4 pins, B&C on one end, W&G on the other. Pins B, C, and W are .25” blade style while G is .187” blade...so shop accordingly for terminals. There are only 5 wires involved. 2 to the coil (one is ignition source), and 3 to the distributor.Oct 22, 2017 · It shows the placement of all the elements and connections that make up the system. Wiring diagrams are essential for any car owner to understand, because they provide a blueprint for what needs to be done and how to go about it. Using the Chevy 350 Hei Distributor Wiring Diagram to Troubleshoot The Chevy 350 Hei Distributor Wiring Diagram can ... I don't believe an HEI distributor needs to be fed via relay. If 88 is like 89, there will be a gaggle of yellow switched 12V wires in the harness and all seem to be spliced on my 89 right in the center of the harness on the firewall. As mentioned above the yellow switched 12V to the coil will have a resistor which you don't want in the HEI feed.Dec 14, 2012 · Make sure they are correct. Also make sure you hook your IGN1 (dark blue) and IGN2 (brown) together where they used to be on the ballast. In fact, you can just hook everything on the ballast together, leave the original coil + wire connected, and add the HEI as shown. I was surprised how cheap it was to buy an HEI for this Ford 302. Came with the coil and control module so all you have to do is give it 12V. Here is the o...
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Video showing the proper way to install an HEI distributor. This really cleans up the plug wiring and the position of the distributor housing makes for a nic...7 កក្កដា 2017 ... I can only see the left half of the wiring diagram. It sounds like a very ... distributor off ebay that's a GM HEI one wire connection no issues.On my '74 390, there is a short wire with connector just floating in the air, a tachometer can be connected to it. The module pulses this wire to ground to create the spark. I think you can guess where the 3rd, all black wire on the coil goes. ;-) A google for "ford hei distributor wiring" images came up with a bunch of hits.Atlanta,Ga. In the top of the cap where the square portion is there are 2 terminals. The one on the right is where you put your switched hot. The other terminal on the left is the tach signal. Then the plug from the distributor goes as you can see in the rear 2 terminals. The front 2 are for your hot and tach. 1.Accel’s Hei Distributor Wiring Diagram is a comprehensive, easy-to-follow guide that will help you get your distributor correctly wired and ready for use. The Accel Hei Distributor Wiring Diagram provides clear instructions for connecting all the necessary components. It shows the order in which the wires should be placed and how they should ...Apr 2, 2011 · Has anyone had experience hooking up an HEI distributor with a shift interrupter switch. Have been studying the Mercruiser manual and this is what I have come up with: On some of the wiring diagrams (regular distributor and coil) the negative terminal which serves as the tach signal is also routed to the shift interrupter, I'm assuming that when shifting forward/reverse the switch temporarily ... wiring or a ballast resistor in the coil positive (+) wiring. This reduces the voltage at the coil positive terminal. An MSD Ready-to-Run Distributor requires a solid 12 volts to perform at its full potential. By adding a Relay, PN 8961, you can ensure that the distributor receives a full 12 volts during cranking and while running. The diagram ... Jan 16, 2006 · Run a 16ga wire from this one to any decent ground. 86 is your trigger feed. This one needs a 16ga wire that's live when (and only when) the ignition is switched on. 87 is your power output. Connect this via a 14ga wire to the coil + and to the module's power terminal. cap. Make sure you use a high quality spark plug wire set with at least 8mm spark plug wires for use with the new HEI Distributor. The stock 7mm spark plug wires will not handle the Higher Voltage output of the HEI distributor! 14) Unplug and remove the old factory ignition module completely. It is not need with the HEI distributor.39 master · #3 · Feb 14, 2016. Hei wiring. To wire an HEI just go from the ignition side of the key switch directly to the HEI. There are two terminals one marked IGN and the other TAC. Wires coming out of the HEI body plug into the cap also. The ignition wire should be at least a #14. ….
A single 12-volt wire is all that is required to function, and it can be easily stabbed into any distributor-fired Chevrolet engine. It’s a staple among hot rodders. GM’s HEI distributor was envisioned and ultimately built by the Delco-Remy Division of General Motors and found its way into production vehicles starting in 1974.May 29, 2015 · Tools: standard wrench set, flat-blade and/or Phillips screwdriver, wire strippers/crimpers Cost: varies by manufacturer- approximately $175-$400 Tinware: HEI distributor (new, rebuilt, or used), HEI ignition lead connector, HEI style plug wires Tip: Label or mark the location of your spark plug wires on the distributor cap for fast, easy ... Using small 5/32”(.09375) or 7/64 (.109375) Allen wrench, (wrench not included) insert the wrench through the vacuum line port on the vacuum canister (see diagram below) and adjust to maximum clockwise rotation Leave the vacuum hose disconnected and plugged with a small bolt or other device to eliminate a vacuum leak. 2.A GM HEI distributor wiring diagram is a great way to upgrade the ignition system of your vehicle. This diagram will show you how to properly connect all the components of your engine's ignition system. With the correct wiring, you can make sure that your engine is running at its peak performance.cap. Make sure you use a high quality spark plug wire set with at least 8mm spark plug wires for use with the new HEI Distributor. The stock 7mm spark plug wires will not handle the Higher Voltage output of the HEI distributor! 14) Unplug and remove the old factory ignition module completely. It is not need with the HEI distributor.Feb 17, 2023 · The Ford 302 Hei Distributor wiring diagram is available in PDF format, making it easy to download and reference while working on the engine. This wiring diagram shows all the necessary connections to properly install the Hei Distributor in the engine. It also contains detailed images and descriptions of each connector and the components that ... Easy installation with 3 wire hookup and includes wiring diagram. Product Detail. Gear Material, Steel. Top Shaft Support, Sealed Ball Bearing.Video showing the proper way to install an HEI distributor. This really cleans up the plug wiring and the position of the distributor housing makes for a nic...Ignition Control to a GM HEI Distributor that uses a 5-pin or 7-pin module (Figure 1). Most of these distributors DO NOT have a vacuum advance. Note: On HEI distributors with a 4-pin module, this Harness cannot be used. 1. Disconnect the 12 volt key connector, the 3-wire connector coming out of the distributor and the Tach Connector (if ... Wiring diagram for hei distributor, Using small 5/32”(.09375) or 7/64 (.109375) Allen wrench, (wrench not included) insert the wrench through the vacuum line port on the vacuum canister (see diagram below) and adjust to maximum clockwise rotation Leave the vacuum hose disconnected and plugged with a small bolt or other device to eliminate a vacuum leak. 2. , Detailed how to guide on installing an MSD 6AL with an HEI distributor.Link to MSD 6AL: http://amzn.to/2mf4uFoI got my rebate! Just took almost 3 months., 6. Connect the BLACK wire of the 8782 to ground. GM HEI, EXTERNAL COIL 1. Install the s upplied harness, PN 5 4701, to the Timing Control then locate the ignition coil. 2. Splice the RED wire of the harness into the PINK wire coming from the BLACK connector of the coil (Figure 10). Figure 10 Wiring the GM HEI External Coil. 3. Locate the WHITE ... , Dec 19, 2012 · I purchased a Procomp Electronics 6001D HEI to replace the Accel 41000. A diagram at KMJ Performance and talking with a Procomp tech, the voltage comes from the ignition. The below diagram shows a 20gauge ignition wire goes to the + post of the coil (which the HEI does away with) then to the "R" terminal on the starter solenoid. , May 12, 2023 - gm hei distributor and coil wiring diagram - Yahoo Image Search Results. May 12, 2023 - gm hei distributor and coil wiring diagram - Yahoo Image Search Results. May 12, 2023 - gm hei distributor and coil wiring diagram - Yahoo Image Search Results. Explore. Education. Subjects. Science. Visit., 258 HEI Install. This is a "how-to" thread for installing an HEI distributor on your AMC 258. This was completed on a 1985 Base model so your components may vary depending on year. Other things to note, I have a Weber 38 DGES installed and have previously half-nutter bypassed my motor., Jul 29, 2011 · 1 - 11 of 11 Posts. The Big Al Premium Member · #2 · Jul 29, 2011. 14GA wire for HEI is fine. The "R" terminal from the starter needs to tap into the power wire to the HEI. I have found on older Chevy II there is no power to ignition when switch is in the start position. So the bypass must be used. Al. , A wiring diagram, also known as a schematic diagram, is an illustrated representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the power and signal connections between the devices. In a wiring diagram, connections are defined by lines and symbols representing various components in a circuit., The wire from the distributor goes to the "-" termi-nal on the coil. There may be an additional capacitor on the coil - terminal. This is to eliminate radio interference. Notes on wiring for an "HEI" distributor with the coil in the cap; If you are converting from a points type distributor, you have to make sure that the "resistance" power , Figure 6 Primary Wiring to a GM HEI with a 4-Pin Module (Magnetic Pickup Trigger). GM HEI DISTRIBUTOR The 7AL-3 can be wired to the GM HEI Distributor. You must identify which module your distributor has to determine which wiring diagram to use. Count the number of pins or terminals on the module and follow the diagram for a 4-pin or 7-pin ..., May 26, 2011 · Chevrolet Master. 6,982 Answers. That distributor is an easy one. You need to connect the harness attached to the distributor housing to the cap. There is a marking on the cap that says "Batt" Connect that to the hot lead from the ignition switch that is on (with 12V present) and off with switch off. Likely the connector and wire are still in ... , the distributor. 10. Install the distributor cap and spark plug wires one at a time to ensure correct location. 11. Connect a switched 14-gauge wire from a 12 volt source to the B+ terminal of the Distributor Cap (Figure 2). (Be sure the 3-pin connector from the module is connected to the cap). 12. To connect a tachometer, plug the trigger wire of , Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system., wiring or a ballast resistor in the coil positive (+) wiring. This reduces the voltage at the coil positive terminal. An MSD Ready-to-Run Distributor requires a solid 12 volts to perform at its full potential. By adding a Relay, PN 8961, you can ensure that the distributor receives a full 12 volts during cranking and while running. The diagram ... , Run a 16ga wire from this one to any decent ground. #86 is your trigger feed. This one needs a 16ga wire that's live when (and only when) the ignition is switched on. #87 is your power output. Connect this via a 14ga wire to the coil + and then from there to the module's power terminal., On my '74 390, there is a short wire with connector just floating in the air, a tachometer can be connected to it. The module pulses this wire to ground to create the spark. I think you can guess where the 3rd, all black wire on the coil goes. ;-) A google for "ford hei distributor wiring" images came up with a bunch of hits., Feb 29, 2016 · I don't believe an HEI distributor needs to be fed via relay. If 88 is like 89, there will be a gaggle of yellow switched 12V wires in the harness and all seem to be spliced on my 89 right in the center of the harness on the firewall. As mentioned above the yellow switched 12V to the coil will have a resistor which you don't want in the HEI feed. , Wiring the Distributor. When wiring up the GM HEI distributor, it's important to pay close attention to the diagram. The wiring diagram should show the different colors of the wires and how they are connected. The most common colors are black and orange, with black being the ground wire and orange being the power wire., If your new, this mod may seem way over your head, but dont stress its quite easy. The HEI mod is effectively using a well known, reliable and inexpensive ignition module from a different vehicle. In this case its the GM HEI ( High Energy Ignition) module that’s been used on old GM V8 engines since the 70’s., FORD IGNITIONS Wiring a Ford DuraSpark using White Wire Trigger. COIL TO GRAY TACH WWW.STREET-FIRE.COM PN 5520 MULTI-SPARK N ® SMALL RED GM IGNITIONS Wiring an HEI 5 or 7-pin Module (Amplifier Trigger). TO GRAY TACH WWW.STREET-FIRE.COM PN 5520 I MULTI-SPARK N ® NOTE: Some 5-pin models may experience a , Feb 14, 2016 · 39 master · #3 · Feb 14, 2016. Hei wiring. To wire an HEI just go from the ignition side of the key switch directly to the HEI. There are two terminals one marked IGN and the other TAC. Wires coming out of the HEI body plug into the cap also. The ignition wire should be at least a #14. , Sep 7, 2016 · 258 HEI Install. This is a "how-to" thread for installing an HEI distributor on your AMC 258. This was completed on a 1985 Base model so your components may vary depending on year. Other things to note, I have a Weber 38 DGES installed and have previously half-nutter bypassed my motor. , Dec 14, 2012 · Make sure they are correct. Also make sure you hook your IGN1 (dark blue) and IGN2 (brown) together where they used to be on the ballast. In fact, you can just hook everything on the ballast together, leave the original coil + wire connected, and add the HEI as shown. , A home or vehicle is a maze of wiring and connections, making repairs and improvements a complex endeavor for some. Learning to read and use wiring diagrams makes any of these repairs safer endeavors., Figure 6 Primary Wiring to a GM HEI with a 4-Pin Module (Magnetic Pickup Trigger). GM HEI DISTRIBUTOR The 7AL-3 can be wired to the GM HEI Distributor. You must identify which module your distributor has to determine which wiring diagram to use. Count the number of pins or terminals on the module and follow the diagram for a 4-pin or 7-pin ..., Re: HEI Distributor Wiring. Simplest way to do this is pull wire that was on the original distributor out of the wrap down to the fuse block. Leave yourself enough wire to splice onto it. Then run new wire back to HEI. The original wire was a resistor wire but it wasn't the whole length of the wire., Note: Vehicles originally equipped with a CD ignition control cannot use an MSD. SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. A good quality, helically wound wire and proper routing are required to get the best performance from your ignition, such as the MSD Heli-Core or 8.5mm Super ... , May 12, 2023 - gm hei distributor and coil wiring diagram - Yahoo Image Search Results. May 12, 2023 - gm hei distributor and coil wiring diagram - Yahoo Image Search Results. May 12, 2023 - gm hei distributor and coil wiring diagram - Yahoo Image Search Results. Explore. Education. Subjects. Science. Visit., Spark Plug Gaps: NOTE: When replacing an HEI type distributor, it may be necessary to purchase and install . WIRING DIAGRAM USING BALLAST RESISTOR. FIGURE 1.mallory 8mm suppression wire delco hei distributor with mallory hei remote coil adapter installed mallory adapter/harness part no. with green and red wires mallory 8mm suppression pink or ..., Note: Vehicles originally equipped with a CD ignition control cannot use an MSD. SPARK PLUGS AND WIRES Spark plug wires are very important to the operation of your ignition system. A good quality, helically wound wire and proper routing are required to get the best performance from your ignition, such as the MSD Heli-Core or 8.5mm Super ..., Wiring the HEI to the distributor and coil is pretty straight forward. The HEI module has 4 pins, B&C on one end, W&G on the other. Pins B, C, and W are .25” blade style while G is .187” blade...so shop accordingly for terminals. There are only 5 wires involved. 2 to the coil (one is ignition source), and 3 to the distributor., 1 – HEI distributor rotor 1 – HEI wire retainer 1 – HEI vacuum advance canister (adjustable) with Allen wrench 1 – Set of HEI mechanical advance weights, E-clips, pivot pin washers 1 – HEI 4-pin module, wiring harness and packet of white thermal grease 3 – Sets of mechanical advance springs (HD silver, medium blue, LT silver), Run a 16ga wire from this one to any decent ground. 86 is your trigger feed. This one needs a 16ga wire that's live when (and only when) the ignition is switched on. 87 is your power output. Connect this via a 14ga wire to the coil + and to the module's power terminal.